Tire lock



July 6,1926.v Y 1,591,050

- H. c. PIERCE Il, f 11.4.'4

from rotation and are positivelylocked to the valve stein 5. VBolt 16 is held inengagement with the annular channel 17 by the expansion spring 18 and the keeper may be .moved to unlocked position against the ac- Vcooperates With the upper side of the lock casing 15, and .prevents dust and foreign matter 'from entering the casing 15 and the. mechanism therein. l

From they above it xviii be seenV that a valve carried lock is provided for automobile tires, Which lock is simpie in construee tion, the parts reduced to ay minimum, and

yone which may be cheaply manufactured Vand sold. .Y l

Y The invention havingibeen set forth what is claimed as nen and useful is Y 15. .The co'iiibiiiatioiivfith la threaded tire yvalve extending through a Wheel telly, said tire valve having opposite iiattened surfaces, ofa locking device for said valve,

said' locking device comprising a member threaded on theA valve, said member at opposite sid-es thereof being provided With recesses registering' Wit-h the opposite flattened sides of the valve, a U-shaped meinber, said U-shaped member having its arms ldisposed in the recesses oity the member threaded on .the -valve andengaging the op.- posite flattened sides-of'the valve, a easing member being' disposed in recesses in opposite sides ofthe member threaded on the stem and engaging `the opposite tiattened sides oi? the stennanannular iiange carried by the lower end ot' the member threaded on the stem, a loclr casing' engaging the upper side or the annular flange and the upper side et the member threaded on thestem and entirely housing; said member and the Uehapedfmember, and a lock bolt disposed Wit-hin the casing and cooperating,- withy an annular channel in the member threaded on the stem. l j

3. The combination with a valve stem look comprising' a member threaded on the steiinja lool: 'casing housingV said member7 and locked thereto, of a U-shaped member, said U-shaped member having,` its arms disposed in oppositely disposed recessesl in the member threaded'on the stein and engaging the opposite Hat sides of the stem, said U- shaped member forming means whereby up-V ward or downward movement'of theV member threaded on the stein is prevented',lsaid U-sha )ed Vmember beinO` eiitii'el i housed in the casing.

VIn testimony Whereot I hereunto af'iix my signature.

HAROLD CARTWRIGHT PIERCE. 

